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Dynamo theory

In physics, the dynamo theory proposes a mechanism by which a celestial body such as Earth or a star generates a magnetic field. The dynamo theory describes the process through which a rotating, convecting, and electrically conducting fluid can maintain a magnetic field over astronomical time scales.

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Overview

History of theory

Formal definition

Kinematic dynamo theory

Nonlinear dynamo theory

Numerical models

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Dynamo theory

Nodes84
Edges83
Triples74
Avg. degree1.98
Density0.02381
Components1

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Dynamo theory

Top relations

related to References · 34
Dynamo theory → Academic Press, Archived, Austin, Chapter, David, Demorest, Dynamo, Earth, Earth's, Earth's Core, February, Field, Fitzpatrick, ISBN, May, McElhinny, McFadden, Merrill, MHD Dynamo Theory, Michael
related to history · 13
Dynamo theory → André-Marie Ampère, De Magnete, Earth, Earth's, Elsasser, He, However, In, Joseph Larmor, Patrick Blackett, The Nobel Prize, Walter, When William Gilbert
related to Formal definition · 11
Dynamo theory → Also, Carl Friedrich Gauss, Dynamo, Earth, Earth's, However, It, Joseph Larmor, Sun's, The, This
related to Kinematic dynamo theory · 7
Dynamo theory → In, Ohm's, One, Reynolds, The, This, Using Maxwell's
related to Practical measure of possible dynamos · 4
Dynamo theory → An, By, If, The

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Important terminology

magnetic dynamo field models core fluid earth theory earth's flow displaystyle outer used equations energy mathbf equation fields kinematic geodynamo

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Earth or a star generates a magnetic fieldinstance ofthe dynamo theory proposes a mechanism by which a celestial body0.80text
that found in lodestoneinstance ofpermanent magnetism0.80text
when making assumptions involving the mechanisms that provide energy for the dynamoinstance ofthere are many places where discrepancies can occur0.80text
when choosing values for parameters used in equationsinstance ofthere are many places where discrepancies can occur0.80text
or when normalizing equationsinstance ofthere are many places where discrepancies can occur0.80text
Dynamo theoryrelated to Formal definitionDynamo0.60section
Dynamo theoryrelated to Formal definitionThis0.60section
Dynamo theoryrelated to Formal definitionThe0.60section
Dynamo theoryrelated to Formal definitionIt0.60section
Dynamo theoryrelated to Formal definitionEarth's0.60section
Dynamo theoryrelated to Formal definitionSun's0.60section
Dynamo theoryrelated to Formal definitionEarth0.60section

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